Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | HOU | 7 | 57 | 19 | 33.3 | 315 | 0 | 9 | 3 | 5.5 | 13.3 |
| 1973 | HOU | 12 | 120 | 71 | 59.2 | 888 | 6 | 10 | 13 | 7.4 | 64.2 |
| 1974 | HOU | 14 | 113 | 63 | 55.8 | 704 | 2 | 8 | 10 | 6.2 | 50.9 |
| 1975 | HOU | 14 | 4 | 2 | 50.0 | 46 | 0 | 1 | 3 | 11.5 | 52.1 |
| 1976 | GB | 10 | 243 | 115 | 47.3 | 1465 | 7 | 14 | 28 | 6.0 | 52.2 |
| 1977 | GB | 9 | 220 | 113 | 51.4 | 1346 | 5 | 14 | 21 | 6.1 | 51.4 |
| 1979 | GB | 5 | 119 | 60 | 50.4 | 787 | 5 | 4 | 15 | 6.6 | 71.7 |
| 1980 | GB | 16 | 478 | 278 | 58.2 | 3529 | 15 | 25 | 37 | 7.4 | 70.0 |
| 1981 | GB | 13 | 354 | 204 | 57.6 | 2593 | 17 | 15 | 40 | 7.3 | 79.0 |
| 1982 | GB | 11 | 277 | 160 | 57.8 | 2382 | 17 | 17 | 27 | 8.6 | 80.9 |
| 1983 | GB | 16 | 484 | 289 | 59.7 | 4458 | 32 | 29 | 40 | 9.2 | 87.3 |
| 1984 | GB | 15 | 401 | 237 | 59.1 | 3195 | 25 | 19 | 32 | 8.0 | 85.6 |
| 1985 | GB | 12 | 314 | 172 | 54.8 | 2206 | 15 | 17 | 30 | 7.0 | 70.4 |